package day2;

/**
 * @author oldliu
 * @since 1.0
 */
public class Zijia {
    public static void main(String[] args) {
        //自加和自减
        int a=14;
        a++;//a=a+1
        System.out.println(a);
        int b=14;
        b--;
        System.out.println(b);
        double d=14.6;
        d++;
        System.out.println(d);
    }
}
